Global Radiative Equilibrium 19 January 2011
Balance of Energy Input and Output Energy InputEnergy Output Energy Transport Climate Response
Graedel and Crutzen, Atmospheric Change, p. 40, 1993
Graedel and Crutzen, Atmospheric Change, p. 46, 1993
Climate Forcing Factors Can be global to local in extent Operate over different time scales Are understood to varying levels of confidence Can affect Energy Input, Transfer, or Output
Input, Transfer, or Output? FactorWay it Affects Climate Solar Variability Orbital Variations Volcanic Eruptions Earth’s Albedo Earth’s Oceanic Circulation Earth’s Sea-surface Temperatures Humans modifying the landscape Humans burning fossil fuels Input Input, Output Transfer Input, Output